1947 Jaguar Mark IV vs. 1951 Alfa Romeo 1900
To start off, 1951 Alfa Romeo 1900 is newer by 4 year(s). Which means there will be less support and parts availability for 1947 Jaguar Mark IV. In addition, the cost of maintenance, including insurance, on 1947 Jaguar Mark IV would be higher. At 3,485 cc (6 cylinders), 1947 Jaguar Mark IV is equipped with a bigger engine. In terms of performance, 1947 Jaguar Mark IV (123 HP @ 4250 RPM) has 33 more horse power than 1951 Alfa Romeo 1900. (90 HP @ 5200 RPM). In normal driving conditions, 1947 Jaguar Mark IV should accelerate faster than 1951 Alfa Romeo 1900. With that said, vehicle weight also plays an important factor in acceleration. 1947 Jaguar Mark IV weights approximately 690 kg more than 1951 Alfa Romeo 1900. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1947 Jaguar Mark IV (250 Nm @ 2000 RPM) has 110 more torque (in Nm) than 1951 Alfa Romeo 1900. (140 Nm @ 3500 RPM). This means 1947 Jaguar Mark IV will have an easier job in driving up hills or pulling heavy equipment than 1951 Alfa Romeo 1900.
Compare all specifications:
| 1947 Jaguar Mark IV | 1951 Alfa Romeo 1900 | |
| Make | Jaguar | Alfa Romeo |
| Model | Mark IV | 1900 |
| Year Released | 1947 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 3485 cc | 1884 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 90 HP |
| Engine RPM | 4250 RPM | 5200 RPM |
| Torque | 250 Nm | 140 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1790 kg | 1100 kg |
| Vehicle Length | 4730 mm | 4410 mm |
| Vehicle Width | 1680 mm | 1610 mm |
| Wheelbase Size | 3060 mm | 2710 mm |
